linux_util.h

// Copyright (c) 2010 The Chromium Authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.#ifndef BASE_LINUX_UTIL_H_#define BASE_LINUX_UTIL_H_#include <stdint.h>#include <sys/types.h>#include <string>class EnvVarGetter;
class FilePath;
namespace base {
staticconstchar kFindInodeSwitch[] = "--find-inode";
// Makes a copy of |pixels| with the ordering changed from BGRA to RGBA.// The caller is responsible for free()ing the data. If |stride| is 0,// it's assumed to be 4 * |width|.
uint8_t* BGRAToRGBA(const uint8_t* pixels, int width, int height, int stride);
// Get the Linux Distro if we can, or return "Unknown", similar to// GetWinVersion() in base/win_util.h.
std::string GetLinuxDistro();
// Get the home directory.
FilePath GetHomeDir(EnvVarGetter* env);
// Utility function for getting XDG directories.// |env_name| is the name of an environment variable that we want to use to get// a directory path. |fallback_dir| is the directory relative to $HOME that we// use if |env_name| cannot be found or is empty. |fallback_dir| may be NULL.// Examples of |env_name| are XDG_CONFIG_HOME and XDG_DATA_HOME.
FilePath GetXDGDirectory(EnvVarGetter* env, constchar* env_name,
constchar* fallback_dir);
// Wrapper around xdg_user_dir_lookup() from src/base/third_party/xdg-user-dirs// This looks up "well known" user directories like the desktop and music// folder. Examples of |dir_name| are DESKTOP and MUSIC.
FilePath GetXDGUserDirectory(EnvVarGetter* env, constchar* dir_name,
constchar* fallback_dir);
enum DesktopEnvironment {
DESKTOP_ENVIRONMENT_OTHER,
DESKTOP_ENVIRONMENT_GNOME,
// KDE3 and KDE4 are sufficiently different that we count// them as two different desktop environments here.
DESKTOP_ENVIRONMENT_KDE3,
DESKTOP_ENVIRONMENT_KDE4,
DESKTOP_ENVIRONMENT_XFCE,
};
// Return an entry from the DesktopEnvironment enum with a best guess// of which desktop environment we're using. We use this to know when// to attempt to use preferences from the desktop environment --// proxy settings, password manager, etc.
DesktopEnvironment GetDesktopEnvironment(EnvVarGetter* env);
// Return a string representation of the given desktop environment.// May return NULL in the case of DESKTOP_ENVIRONMENT_OTHER.constchar* GetDesktopEnvironmentName(DesktopEnvironment env);
// Convenience wrapper that calls GetDesktopEnvironment() first.constchar* GetDesktopEnvironmentName(EnvVarGetter* env);
// Return the inode number for the UNIX domain socket |fd|.bool FileDescriptorGetInode(ino_t* inode_out, int fd);
// Find the process which holds the given socket, named by inode number. If// multiple processes hold the socket, this function returns false.bool FindProcessHoldingSocket(pid_t* pid_out, ino_t socket_inode);
} // namespace base#endif // BASE_LINUX_UTIL_H_